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Message-ID: <bc8ecf31-0fe1-eab2-b00f-d592de8ccd99@apache.org>
Date: Thu, 08 Oct 2026 01:45:58 +0000
From: Wenjun Ruan <wenjun@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-66087: Apache DolphinScheduler: Project Authorization
Bypass in the Task instance stop/savepoint Endpoint
Severity: moderate
Affected versions:
- Apache DolphinScheduler before 3.4.3
Description:
An authorization bypass vulnerability in Apache DolphinScheduler allows authenticated users to operate task instance in projects they are not authorized to access through the
* /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/stop
* /dolphinscheduler/projects/{projectCode}/task-instances/{taskInstanceId}/savepoint
This issue affects Apache DolphinScheduler: before 3.4.3.
Users are recommended to upgrade to version 3.4.3, which fixes the issue.
Credit:
Meng Qingwei (finder)
h1ei1 (finder)
meifukun (finder)
yansong (finder)
Omar Mousa — Red Team & Security Researcher (finder)
References:
https://dolphinscheduler.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-66087
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